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A newborn baby was discovered dumped in the garbage Saturday in Jersey City. The teenager and building super who discovered the prematurely born infant describe finding the baby. Gus Rosendale reports. (Published Tuesday, Sept. 3, 2013)

Authorities say a newborn baby boy who was found in a pile of trash in Jersey City this weekend remains hospitalized in intensive care, but his condition has become stable.

Hudson County prosecutors say that the infant, who was born premature, was found around 3 p.m. Saturday by three teenage boys who were playing near an apartment building.

When they heard crying and saw movement in the trash, they alerted the building superintendent, Arturo Rivas.

"We opened up the bag," Keyshaun Wiggins, one of the teens, told NBC 4 New York. "We saw the hand coming out."

Rivas called police while his wife, Rebecca Wolmers, went to the baby's aid.

Rivas said that he was in the yard with his dog only three hours earlier and saw nothing.

While Rivas was on the phone, Wolmers ran out and found the baby, weighing less than three pounds, covered in blood with its umbilical cord still attached and with its nose and mouth stuffed with tissue paper. She cleaned and cared for the baby until emergency crews arrived, she told NBC 4 New York.

Wolmers said her motherly instincts took over as she held the baby while waiting for paramedics.

"I just don't understand how someone could do something like that," she said.

The child was breathing on his own when he was taken to a hospital, where he's being cared for in a neonatal intensive care unit. Authorities haven't said how long the child may have been outside.

The search for the baby's mother is ongoing. In the meantime, Rivas and Wolmers say the baby may have been born alone and left alone, but they plan to be by his side as soon as visits are allowed.